I have two of these made with Turtle Fur. They are great for cold weather riding except for the fact that the fleece neckband bunches up behind my head ( I have a fat head) and is forced into the base of my skull making me dizzy. It also makes it difficult to turn my head. To cure this problem I used a sewing tool called a seamer to remove 5 inches of the 7 inches of the threads in the seam at the back of the neckband. Now the Shellaclava fits much better and I ride in comfort and I can turn my head much easier. Which is a good thing if I want to see where I'm going. (Posted on 10/28/09)

Buy a bunch of these. Your friends will thank you when it is miserable and you give them one.

Here's a trick - hold the lower section of the face opening in your mouth when you pull on your full-face. When you get settled in, the shellaclava will have sealed the bottom of the helmet with turtle fur, eliminating the dreaded under chin north wind that kills your sinuses below 40 degrees.
And let it be outside your coat. Then add a neckband for the best allaround setup there is! (Posted on 1/2/09)

I became a convert two years ago when I was riding through Colorado's San Luis valley in February. My hands and feet were getting cold, so I stopped in San Luis. I noticed that my neck was still warm (I'd been wearing my Shellaclave for several hours). The clerk at the motel gave my a funny look and said it was four degrees above zero!

It is very comfortable, I can't even feel the hood section under my snug-fitting helmet.